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Possible Thermal History of the Moon

Published online by Cambridge University Press:  07 February 2017

Peter E. Fricker
Affiliation:
Ames Research Center, NASA, Moffett Field, California, U.S.A.
Ray T. Reynolds
Affiliation:
Ames Research Center, NASA, Moffett Field, California, U.S.A.
Audrey L. Summers
Affiliation:
Ames Research Center, NASA, Moffett Field, California, U.S.A.

Abstract

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The possible thermal history of the Moon is investigated by means of theoretical models. The calculations include the effects of melting and time-dependent redistribution of radioactive heat sources. The known constraints can best be satisfied by a model which is characterized by relatively high initial temperatures close to the melting range; melting and, consequently, fractionation and redistribution of radionuclides would occur during the first 1.5 × 109 yr and would then be followed by an effective cooling process. Heat flow measurements on the lunar surface should permit a distinction between such a completely fractionated model and a non-fractionated model or a model with restricted fractionation in the outer few hundred kilometers.

Type
Part II: Scientific Papers
Copyright
Copyright © Reidel 1972 

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